Tilting reflector mounting for lamps



June 17 1924.

w. MI MATTEOLI TILTING REFLECTOR MOUNTING FOR LAMPS Filed Feb. 26 1923 mm m m W M ATTORNEYS,

Patented June 17, 1924. r

UNITED/STATES 1,497,92 PATENT OFFICE.-

WILLIAM M. I/IAr'rEOLI, or CONNERSVILLE, INDIANA, AssIeNOa To INDIANALAMP COMPANY, or coNNnnsvILLn, INDIANA, A OOarOnArION.

TILTING REFLECTOR MOUNTING FOR LAMPS.

Application fi led February 26, 1923. Serial No. 621,298.

T all whom it may concern: I

Be it known that I, WILLIAM M. MAT- 'rnoLr, a citizen of the UnitedStates, and a resident of Connersville, county of Fayette, and State ofIndiana, have invented a certain new and useful Tilting ReflectorMounting for Lamps; and I do hereby declare that the following is afull, clear, and exact description thereof, reference being had to theaccompanying drawings, in which like numerals refer to like parts.

This invention relates to a tilting reflector construction embodied in aheadlamp, and more particularly to the means for pivotally mounting thereflector within the lamp casing, and the protection of the reflector somounted from dust and moisture. I e

The main feature of the invention resides in the spring for pivotallysecuring the reflector within the lamp casing in such a fashion as toyieldinglyand normally main tain it in tilted position. Such pivotalmounting permits the reflector to be actuated to other positions aboutan axis through its pivot points, but upon release of the actuatingmeans will cause it to return to its normal position underspringtension. lVhereas heretofore tilting reflectors have beenpivotally mounted'within the casing by pivot pins, hinges or springmountings allowing it to freely pivot, in all such cases it has beennecessary to provide a spring other than the pivotal means for returningthe reflector to normal position after having been actuated. Thisstructure avoids the necessity of using a separate return spring and inaddition, so supports the reflector as to prevent its becoming loose,and rattling from wear.

The full nature of this invention will be understood from theaccompanying drawings and the following description and claims.

In the drawings Fig. 1 is a horizontal section through a lamp showingthe pivotal mounting of the reflector therein. Fig. 2 is a section takenon the line 22of Fig. 1. Fig. 3 is a section taken on the line 83 ofFig. 1 showing the reflector in one extreme position by means of thefull lines and in the other extreme position by means of dotted lines.

In the drawings'there is shown a lamp having a casing 10, a lens rim 11and lens 12. Pivotally mounted withinthe casing there is a reflector 13provided with a lamp socket 1 1 in the rear thereof. The casing 10 isprovided with an annular bead 15 formed about the. open end thereof,said bead continuing in an inwardly extending annular flange 16 and fromthence doubling on itself to form van outwardly extending annularresilient flange 17 with a forwardly extending flange 18.

Mounted within the forward end of the casing there is a reflectorsupporting ring 19 having a rear outwardly extending flange 20 and aforward inwardly extending flange 21. The casing flange'l? and the ringflange 20 are provided with annular recesses adapted to abut each otherbetween whichmay be clamped a cord or similar sealing means 22 forpreventing dust or moisture from entering the casing between thecasing10 and enclosure rim 11. The outer inwardly extending flange.v 21 isprovided with an annular recess for receiving the cord or sealing means23' for preventing dust or moisture from entering between the lens 12and closure rim 11. The lens 12 may be mounted in the closure rim bymeans of a plurality of inwardly extending fingers or hooks 2 1 rigidlysecuredto .the inner periphery thereof. When the'rim is secured upon thecasing by any suitable means, not shown herein, it forcibly clamps thelens 12 against the ring 19 through the cord 23 and further clamps thering 19 against the flange 17 of the casing through the sealing cord 22.

For pivotally mounting the reflector 13 within the casingthere isprovided a pair of spiral springs 25 mounted one on each side of thereflector in a horizontally and diametrically opposed position. One endof each of said springs is extended so as to be secured to the flange 26of the reflector by the bolt 27 and the other end of each of saidsprings is rigidly secured to the flange 20 of the ring 19 by the bolts28. The coil springs 25 are disposed laterally in alignment with thehorizontal diameter or pivotal axis of the reflector so that theynormally force the reflector into forward and downwardly tiltedposition, as shown in full lines in Fig. 3.

For actuating the reflector there may be provided a rod 29 pivotallysecured at its. upper end between the ears 30 of the lamp socket 14 andthence extending downwardly through the bottom of the casing 10 inposition to be connected in any suitable manner to the operating meansemployed for tilting the reflector. As the springs 25 maintain thereflector in-its'downward position, when the rod 29 is pulled downwardlyit causes the reflector to be tilted about said springs to an upwardposition, as shown by dotted lines in Fig. 3. Upon the release of therod 29 the tension of the springs 25 exerted upon the reflector willimmediately cause it to return to its downward position without furtheraction of the rod 29 or any additional spring or any auxiliary springstructure. 7 It will be observed that the reflector, being pivotallysupported in this manner cannot become loose or caused to rattle byvibration or through wear, since there are no relatively v movable partsembodied in the pivoted supports, but the reflector will at all times befixedly held in position by means of the bolts 27 and 28. While as abovedescribed, the springs shown herein are so arranged as tonormallymaintain the reflector in its downward position, they may be soarranged, if desired, as to normally maintain it in vertical or upwardposition.

The invention claimed is: 4

1. A lamp structure comprising a lamp casing, an enclosure for saidcasing, a reflector movably mounted in said casing, means for actuatingsaid reflector, and a pair of springs for pivotally supporting saidreflector within said casing, said springs being secured at one end tosaid reflector and at the other'end to a part of said. casing in suchmanner as to permit pivotal movement of said reflector with respect tosaid casing through said springs and maintain said reflector in normalposition by means of the spring tension exerted between the fixed endsthereof. 7

2. A lamp structure comprising a lamp casing, a closure for said casing,a reflector movably mounted in said casing, means for actuating saidreflector, and a pair of springs mounted on opposite sides of saidreflector in a horizontal and axial plane therethrough, said springsbeing so secured between said reflector and casing as to pivotallysupport the former in the latter and to resiliently 7 permit itsvertical tilting movement about a horizontal axis and return saidreflector to normal position by the spring tension thereof after beingactuated.

3. A lamp structure comprising a lamp casing, a closure for said casing,a reflector provided with an annular outwardly extend- .ing flange, saidreflector being removably mounted in said casing, a supporting ringsupported by said casing, means for actuating said reflector, and a pairof diametrically opposed spring supports, the inner ends thereof beingrigidly secured to the flange of said reflector and the outer endsrigidly secured to said ring, whereby said reflector will be pivotallysupported within said casing by said springs and be returner to normalposition by the spring tension thereof after having been actuated.

4;. A lamp structure comprising a lamp casing, a closure for saidcasing, a reflector movably mounted in said casing provided with anannular outwardly extending flange, means for actuating said reflector,a supporting ring carried by said casing, sealing means mounted betweensaid closure and ring, a second sealing means mounted between said ringand casing for preventing dust and moisture from entering therein,

and a pair of springs for pivotally supv porting said reflector on saidring and returning it to normal position'by the spring tensionthereofcafter being actuated;

In witness whereof, I have hereunto affiXed my si nature. V VILLIAM M.MATTEOLL

